362 Profs. J. Dewar and J. A. Fleming. On the Dielectric 



III. Formic Acid (CH 2 2 ). 



Corrected galvanometer deflection when the condenser had air as 

 dielectric = 3*97 cm. for 100 volts. 





IVlean 







Temperature in 



galvanometer 



Dielectric 





platinum degrees. 



deflection in cm. 



constant. 



Observations. 



-201-3 



9-88 



2-41 



Condenser charged to 









99-0 volts. 



-195-8 



1-95 



2-66 



Condenser charged to 



-167-5 



1-93 



2-62 



17-8 volts. 



-146-1 



1-98 



2-70 





-125-2 



2-65 



3-65 





-118-8 



3-45 



4-80 





IV. Absolute Ethylic Alcohol (C 2 H 6 0), having 10 per cent, of sodium 



dissolved in it. 



Corrected galvanometer deflection when the condenser had air as 

 dielectric = 4*04 cm. for 100 volts. 



Mean 



Temperature in galvanometer Dielectric 

 platinum degrees, deflection in cm. constant. Observations. 



-193-0 12-95 3-11 Condenser charged to 



-194-0 12-95 3-11 99-7 volts. 



-185-6 1325 3-20 



Y. Acetone (C 2 H 6 CO). 



Corrected galvanometer deflection when the condenser had air as 

 dielectric = 4*24 cm. for 100 volts. 



Mean 



Temperature in galvanometer Dielectric 

 platinum degrees, deflection in cm. constant. Observations. 



— 198-3 11-30 2-62 Condenser charged to 



98 8 volts. 



— 195*2 2*05 2'49 Condenser charged to 



-161-5 2-18 2-66 18-7 volts. 



-137-2 3-75 4-63 



